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Darkfield Microscope Exam for Spirochetes

Wisconsin rates for HCPCS 87166

Examination of fluid or scrapings under a microscope arranged so that light strikes the sample from the side, making extremely thin corkscrew-shaped bacteria stand out bright against a dark background. It is used mainly to look for the organism that causes syphilis in fluid taken from a sore, and it can give an answer straight away.

Rates data updated July 2026.

Facilitymedian $25 · 10th–90th $10$720%10%20%10th90th$25Professionalmedian $13 · 10th–90th $6$450%10%20%10th90th$13$5.0$10.0$20.0$50.0$100.0

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$13.49
Median
$30.90
Typical High
$30.90
Aetna
Setting
Professional
Modifier
Global
Typical Low
$8.71
Median
$13.49
Typical High
$44.67
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$24.55
Median
$30.20
Typical High
$30.90
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$5.62
Median
$5.62
Typical High
$45.71
CareSource
Setting
Facility
Modifier
Global
Typical Low
$8.71
Median
$8.71
Typical High
$8.71
Cigna
Setting
Facility
Modifier
Global
Typical Low
$28.84
Median
$33.88
Typical High
$53.70
Cigna
Setting
Professional
Modifier
Global
Typical Low
$13.18
Median
$17.38
Typical High
$35.48
DeanCare
Setting
Facility
Modifier
Global
Typical Low
$10.00
Median
$24.55
Typical High
$91.20
Medica
Setting
Facility
Modifier
Global
Typical Low
$8.91
Median
$10.72
Typical High
$100.00
Medica
Setting
Professional
Modifier
Global
Typical Low
$6.61
Median
$9.33
Typical High
$25.70
Molina
Setting
Professional
Modifier
Global
Typical Low
$5.62
Median
$22.39
Typical High
$64.57
Network Health
Setting
Facility
Modifier
Global
Typical Low
$13.49
Median
$13.49
Typical High
$32.36
Network Health
Setting
Professional
Modifier
Global
Typical Low
$8.51
Median
$18.62
Typical High
$31.62
Prevea360
Setting
Facility
Modifier
Global
Typical Low
$9.12
Median
$10.00
Typical High
$14.45
Quartz
Setting
Professional
Modifier
Global
Typical Low
$14.79
Median
$28.84
Typical High
$39.81
Quartz
Setting
Facility
Modifier
Global
Typical Low
$22.39
Median
$100.00
Typical High
$100.00
Quartz
Setting
Professional
Modifier
Global
Typical Low
$5.37
Median
$7.59
Typical High
$28.84
Security Health
Setting
Professional
Modifier
Global
Typical Low
$11.75
Median
$11.75
Typical High
$23.99
Security Health
Setting
Professional
Modifier
Global
Typical Low
$11.75
Median
$11.75
Typical High
$61.66
United
Setting
Facility
Modifier
Global
Typical Low
$5.62
Median
$10.00
Typical High
$27.54
United
Setting
Professional
Modifier
Global
Typical Low
$4.79
Median
$9.12
Typical High
$28.18